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authorFriendika <info@friendika.com>2011-03-30 15:04:18 -0700
committerFriendika <info@friendika.com>2011-03-30 15:04:18 -0700
commit0fe997490df7fbd3d108c8da931e4823b0a4b2d9 (patch)
tree0a090d97988e9ebf7899c8ff9fd780b0234be8e2 /mod/dfrn_poll.php
parentf5d782f5c5750fcc3d8fffb87abdc698ccea1155 (diff)
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dfrn remote profile protocol revision
Diffstat (limited to 'mod/dfrn_poll.php')
-rw-r--r--mod/dfrn_poll.php92
1 files changed, 83 insertions, 9 deletions
diff --git a/mod/dfrn_poll.php b/mod/dfrn_poll.php
index 686a42d08..fe9504deb 100644
--- a/mod/dfrn_poll.php
+++ b/mod/dfrn_poll.php
@@ -63,7 +63,7 @@ function dfrn_poll_init(&$a) {
if(count($r)) {
- $s = fetch_url($r[0]['poll'] . '?f=&dfrn_id=' . $my_id . '&type=profile-check');
+ $s = fetch_url($r[0]['poll'] . '?dfrn_id=' . $my_id . '&type=profile-check');
logger("dfrn_poll: old profile returns " . $s, LOGGER_DATA);
@@ -92,7 +92,7 @@ function dfrn_poll_init(&$a) {
}
- if($type === 'profile-check') {
+ if($type === 'profile-check' && $dfrn_version < 2.2 ) {
if((strlen($challenge)) && (strlen($sec))) {
@@ -182,8 +182,69 @@ function dfrn_poll_post(&$a) {
$dfrn_id = ((x($_POST,'dfrn_id')) ? $_POST['dfrn_id'] : '');
$challenge = ((x($_POST,'challenge')) ? $_POST['challenge'] : '');
$url = ((x($_POST,'url')) ? $_POST['url'] : '');
+ $sec = ((x($_POST,'sec')) ? $_POST['sec'] : '');
+ $ptype = ((x($_POST,'type')) ? $_POST['type'] : '');
$dfrn_version = ((x($_POST,'dfrn_version')) ? (float) $_POST['dfrn_version'] : 2.0);
+ if($ptype === 'profile-check') {
+
+ if((strlen($challenge)) && (strlen($sec))) {
+
+ logger('dfrn_poll: POST: profile-check');
+
+ q("DELETE FROM `profile_check` WHERE `expire` < " . intval(time()));
+ $r = q("SELECT * FROM `profile_check` WHERE `sec` = '%s' ORDER BY `expire` DESC LIMIT 1",
+ dbesc($sec)
+ );
+ if(! count($r)) {
+ xml_status(3, 'No ticket');
+ // NOTREACHED
+ }
+ $orig_id = $r[0]['dfrn_id'];
+ if(strpos($orig_id, ':'))
+ $orig_id = substr($orig_id,2);
+
+ $c = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
+ intval($r[0]['cid'])
+ );
+ if(! count($c)) {
+ xml_status(3, 'No profile');
+ }
+ $contact = $c[0];
+
+ $sent_dfrn_id = hex2bin($dfrn_id);
+ $challenge = hex2bin($challenge);
+
+ $final_dfrn_id = '';
+
+ if(($contact['duplex']) && strlen($contact['prvkey'])) {
+ openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']);
+ openssl_private_decrypt($challenge,$decoded_challenge,$contact['prvkey']);
+ }
+ else {
+ openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']);
+ openssl_public_decrypt($challenge,$decoded_challenge,$contact['pubkey']);
+ }
+
+ $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
+
+ if(strpos($final_dfrn_id,':') == 1)
+ $final_dfrn_id = substr($final_dfrn_id,2);
+
+ if($final_dfrn_id != $orig_id) {
+ logger('profile_check: ' . $final_dfrn_id . ' != ' . $orig_id, LOGGER_DEBUG);
+ // did not decode properly - cannot trust this site
+ xml_status(3, 'Bad decryption');
+ }
+
+ header("Content-type: text/xml");
+ echo "<?xml version=\"1.0\" encoding=\"UTF-8\"?><dfrn_poll><status>0</status><challenge>$decoded_challenge</challenge><sec>$sec</sec></dfrn_poll>";
+ killme();
+ // NOTREACHED
+ }
+
+ }
+
$direction = (-1);
if(strpos($dfrn_id,':') == 1) {
$direction = intval(substr($dfrn_id,0,1));
@@ -365,13 +426,26 @@ function dfrn_poll_content(&$a) {
if(($type === 'profile') && (strlen($sec))) {
// URL reply
- $s = fetch_url($r[0]['poll']
- . '?f=&dfrn_id=' . $encrypted_id
- . '&type=profile-check'
- . '&dfrn_version=' . DFRN_PROTOCOL_VERSION
- . '&challenge=' . $challenge
- . '&sec=' . $sec
- );
+
+
+ if($dfrn_version < 2.2) {
+ $s = fetch_url($r[0]['poll']
+ . '?dfrn_id=' . $encrypted_id
+ . '&type=profile-check'
+ . '&dfrn_version=' . DFRN_PROTOCOL_VERSION
+ . '&challenge=' . $challenge
+ . '&sec=' . $sec
+ );
+ }
+ else {
+ $s = post_url($r[0]['poll'], array(
+ 'dfrn_id' => $encrypted_id,
+ 'type' => 'profile-check',
+ 'dfrn_version' => DFRN_PROTOCOL_VERSION,
+ 'challenge' => $challenge,
+ 'sec' => $sec
+ ));
+ }
logger("dfrn_poll: sec profile: " . $s, LOGGER_DATA);